【4 Measurement Units】Measures 0~750N; 0~120 lb; 0~77 kg; and 0~114 Seems for belts with width up to 36mm. Helps to measure and adjust the tension of timing and auxiliary belts fitted to motor vehicles and other machines. 【Precision Measurement】Precision measuring head, using a dedicated microcomputer circuit, makes the measurement results more accurate. Precision socket, stable and firm. 【Audible Alarm】Tension limit is adjustable (preset at 750N), this meter will visually and audibly indicate when the tension overload. Users do not need to keep reading the display when adjusting the belt. 【Belt Tension Meter】The tension meter is used to measure the tension of automobile belts. It can also be used to measure the tension data of belts, threads, wires, meshes and wide objects for detection and adjustment. 【Application】After belt replacement, adjustment or wheel service, this belt tension tester allows you to quickly, easily, and accurately measure the belt tension.